5136251 has 4 divisors (see below), whose sum is σ = 5406600. Its totient is φ = 4865904.

The previous prime is 5136239. The next prime is 5136269. The reversal of 5136251 is 1526315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5136251 - 2²² = 941947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5136281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135146 + ... + 135183.

It is an arithmetic number, because the mean of its divisors is an integer number (1351650).

Almost surely, 2^5136251 is an apocalyptic number.

5136251 is a deficient number, since it is larger than the sum of its proper divisors (270349).

5136251 is a wasteful number, since it uses less digits than its factorization.

5136251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270348.

The product of its digits is 900, while the sum is 23.

The square root of 5136251 is about 2266.3298524266. The cubic root of 5136251 is about 172.5369353101.

The spelling of 5136251 in words is "five million, one hundred thirty-six thousand, two hundred fifty-one".